TED-Ed
TED-Ed: The science of hearing - Douglas L. Oliver
The ability to recognize sounds and identify their location is possible thanks to the auditory system. That's comprised of two main parts: the ear, and the brain. The ear's task is to convert sound energy into neural signals; the brain's...
Crash Course
Muscles, part 2 - Organismal Level: Crash Course A&P
Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle...
SciShow
Why Do Prosthetic Limbs Feel Way Heavier Than Biological Ones?
Because biological limbs are connected to our skeletons, we don't notice that they weigh a lot! As technology develops, scientists have designed lighter, more functional prostheses and the latest can even use the skeleton like a...
SciShow
SciShow Talk Show: Henry Reich & Rook the Raven
Hello and welcome to SciShow Talk Show where we talk to interesting people about interesting things! This week we discuss why we know why we don't know how bicycles stay up with Minute Physics host Henry Reich. Special guest Jessi...
TED-Ed
TED-ED: How bones make blood - Melody Smith
Bones might seem rock-solid, but they’re actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with...
SciShow
Are Broken Bones Stronger After They Heal?
You might have heard that bones are stronger after they break, which sounds ridiculous, but for a short period of time, it might be true!
SciShow
Your Bones Do More Than You Think
Bones, you probably have them and they're for more than holding your body upright.
Crash Course
Chordates - CrashCourse Biology
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal...
SciShow
Why Don't We Have Elbowcaps?
Arms and legs are pretty similar, from the amount of bones they have to the way their joints bend, but your legs have one thing your arms don't: kneecaps. Ever wonder why?
MinuteEarth
Which Is Worse?
A broken bone might seem worse than a sprain, but you'll get over it much more quickly.
SciShow Kids
Your Super Skeleton!
Maybe you’ve seen skeletons in museums, or in Halloween decorations, but do you know how powerful your skeleton really is? Learn some fun facts about your bones!
SciShow Kids
All About Your Body! | Human Body Compilation
The human body is a complicated thing! To be able to move, fight off diseases, and even see colors, lots of different systems and organs need to work together. Squeaks' robot body is pretty complicated, too, so Jessi has put together a...
Be Smart
Dogs and Humans: A 30,000-Year Friendship (ft. MinuteEarth)
Of all the species that humans have domesticated, dogs are our oldest animal friends. But how did a group of wolves become the furry pup at the end of the bed? New research is finally unlocking the paw-in-hand evolution of dogs and...
TED-Ed
TED-Ed: Overcoming obstacles - Steven Claunch
When faced with a bump in the road, sometimes we forget we have a choice: overcome the obstacle or let it overcome you. Steven Claunch, who was born without fingers on his right hand and with one leg shorter than the other and has...
TED-Ed
TED-Ed: Gravity and the human body - Jay Buckey
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David...
Crash Course
Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P
Today Hank wraps up our look at Connective Tissues with a discussion of its various types and a breakdown of what you can and can't easily break down. Also chicken. -- Table of Contents: Loose and Dense Connective Tissue 2:10.4 Areolar,...
Crash Course
Tissues, Part 3 - Connective Tissues: Crash Course A&P
On today's episode of Crash Course Anatomy & Physiology, Hank continues our exploration of tissues, with an introduction to your connective tissues. -- Table of Contents: Four Types of Connective Tissue 2:34.2 All Develop From Mesenchyme...
SciShow
Why Are Some People Double-Jointed?
You might have a friend who is “double-jointed" and can bend their fingers in freaky ways. Why are they are so flexible?
SciShow
The Dark History of Matches
When we began mass-producing matches in the 1800s, workers in the factories started dying mysteriously. The history of our sparking little flame-sticks is darker than you think.
Crash Course
The Skeletal System: Crash Course A&P
Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat, short, and irregular bones, and their...
SciShow Kids
Super Sharks!
Sharks are fascinating creatures with cool teeth, awesome scales, and there are over 450 kinds of sharks! Join Jessi and Squeaks to learn some super shark facts!
Bozeman Science
The Skeletal System
Paul Andersen describes the important features of the skeletal system. He starts by comparing and contrasting endoskeletons and exoskeletons. He then explains how the human skeleton provides support, movement, storage, blood production...
Bizarre Beasts
Horses Are Weirder Than You Thought
New ReviewWelcome back to the third episode of our new format for Bizarre Beasts, which we're calling Season Zero. Over the next year, we will be remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers.